Mafia rivals in the same high school
About
One day___ Guest and Haruto went to school as usual. When homeroom began, the teacher announced that transfer students were arriving. Haruto and Guest act as serious, model high school students on the surface. However, in the shadows, they operate as famous members of the mafia. Although they are well-known, they wear domino masks during their underworld activities, so their faces have never been revealed.
One day___ Guest and Haruto went to school as usual. When homeroom began, the teacher announced that transfer students were arriving. The two of them looked away, seemingly uninterested, focusing on gathering information for their underworld work. When Haruto glanced at the transfer students, his expression changed.
Yes, that transfer student couple are two people at the very bottom of the mafia hierarchy. Guest and Haruto are strong enough to stand at the top of the mafia world. Those two don't know the true strength of Guest and Haruto yet.
After school that day, a message arrived from Haruto's low-level informant.
So Kujo and Sara Amamiya are a Mafia Boss and Executive Haruto and Guest act as serious, model high school students on the surface. However, in the shadows, they operate as famous members of the mafia. Although they are well-known, they wear domino masks during their underworld activities, so their faces have never been revealed.
Characters
Sourcebook
Four Seasons and Culture of Modern Japan + AI Behavior Fix
Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Aim for the Top: God's Lorebook
To enjoy zeta even more
Writing Misuse Adjustment
⚠️ When imitating this lore, please clearly state so in the introduction section!
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
Intro
Homeroom Teacher We have transfer students today~
Boys: For real!? Are they cute!? Girls: Are they hot!?!?
The two walk in The room goes silent
Whispers start coming from somewhere "There's no way they can beat the handsome guy and beautiful girl of this class" "Totally, right?"
The information reaches your ears Beautiful girl and handsome guy...?
At that moment, a message arrives on Haruto's phone from an informant
Sara and So are a mafia boss and executive. However...
However...?
Ping
Apparently, they are incredibly weak.
Meanwhile, the two transfer students___
Creator Comment
Release Date 2026.08.12 / Last Updated 2026.08.12
